Home / 66,974.12-100,391.31-22,585.61

Finding the Fourth Proportional to 66,974.12, 100,391.31 and 22,585.61

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Solution

The fourth proportional to 66,974.12, 100,391.31 and 22,585.61 is: 33,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,974.12 : 100,391.31 = 22,585.61 : x
  2. Step 2: Convert to fraction form
    66,974.12/100,391.31 = 22,585.61/x
  3. Step 3: Cross multiply
    66,974.12x = 100,391.31 × 22,585.61
  4. Step 4: Simplify right side
    66,974.12x = 2,267,398,975.05
  5. Step 5: Solve for x
    x = 2,267,398,975.05/66,974.12
  6. Step 6: Final answer
    x = 33,854.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.